debootstrap: Add a few extra utilities we all use.

Change-Id: I6672592d2ce502a08b505d2e9dee819de7427487
diff --git a/preamble.mk b/preamble.mk
index b30121e..a2669c1 100644
--- a/preamble.mk
+++ b/preamble.mk
@@ -29,6 +29,7 @@
 	dialog \
 	dmidecode \
 	doc-debian \
+	ethtool \
 	file \
 	firmware-atheros \
 	gettext-base \
@@ -36,6 +37,7 @@
 	gstreamer1.0-plugins-good \
 	gstreamer1.0-tools \
 	hdparm \
+	i2ctools \
 	ifupdown \
 	init \
 	iptables \
@@ -50,6 +52,7 @@
 	libswitch-perl \
 	locales \
 	logrotate \
+	lrzsz \
 	lsof \
 	lxde \
 	man-db \